switch-audio-output

#!/bin/sh
# Cycle the default audio output to the next available sink.
# Moves all active streams to the new sink and updates dwmblocks.

SINKS=$(pactl list short sinks | awk '{print $2}')

if [ -z "$SINKS" ]; then
    echo "No audio sinks found" >&2
    exit 1
fi

CURRENT=$(pactl get-default-sink)

# Find the next sink in the list, wrapping around to the first
NEXT=""
FOUND=0
FIRST=""

for SINK in $SINKS; do
    [ -z "$FIRST" ] && FIRST="$SINK"
    if [ "$FOUND" = "1" ]; then
        NEXT="$SINK"
        break
    fi
    [ "$SINK" = "$CURRENT" ] && FOUND=1
done

# Wrap around if current was the last sink (or not found)
[ -z "$NEXT" ] && NEXT="$FIRST"

pactl set-default-sink "$NEXT"

# Move all currently playing streams to the new sink
for STREAM in $(pactl list short sink-inputs | awk '{print $1}'); do
    pactl move-sink-input "$STREAM" "$NEXT"
done

echo "Switched to: $NEXT"

# Update dwmblocks audio and bluetooth blocks
kill -44 $(pidof dwmblocks) 2>/dev/null || true
kill -46 $(pidof dwmblocks) 2>/dev/null || true